Multiply, and Then Simplify If Possible $\sqrt { 7 } ( \sqrt { 28 } + \sqrt { 14 } )$

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $\sqrt { 7 } ( \sqrt { 28 } + \sqrt { 14 } )$

A) $14 + 7 \sqrt { 2 }$
B) $196 + 7 \sqrt { 2 }$
C) 28
D) $14 + 49 \sqrt { 2 }$